BuildingCoder.CmdCollectorPerformance.Linq2 C# (CSharp) Метод

        static IList<Element> Linq2( Document doc, string familySymbolName )
        {
            IList<Element> elements
            = GetStructuralColumnSymbolCollector( doc )
              .ToElements();

              elements = elements.OfType<FamilySymbol>()
            .Where( x => x.get_Parameter( BuiltInParameter.SYMBOL_NAME_PARAM ).AsString() == familySymbolName )
            .Cast<Element>()
            .ToList();

              return elements;
        }